论文部分内容阅读
1992～1993年在河南省试验的结果表明：以中生菌素替代果园常用杀菌剂退菌特、多菌灵等，与波尔多液交替喷雾，防治苹果轮纹烂果病，防效相当于化学药剂处理，大面积使用可使病果率控制在5％以下。对叶斑病类防效突出，病叶率和病情指数均显著低于化学药剂处理。
The results from 1992 to 1993 in Henan Province showed that the replacement of commonly used fungicides in the orchards by streptozotocin and carbendazim by Alternaria could be sprayed alternately with Bordeaux mixture to prevent and cure apple rotten rot disease and the control effect was equivalent to that of chemical Pharmacy treatment, the use of large area disease rate can be controlled at 5% or less. Effective prevention of leaf spot disease prominent disease rate and disease index were significantly lower than the chemical treatment.